Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9874 vulnerabilities reference this CWE, most recent first.
CVE-2023-39453 (GCVE-0-2023-39453)
Vulnerability from cvelistv5 – Published: 2023-09-25 15:22 – Updated: 2025-11-04 19:17
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to arbitrary code execution. An attacker can deliver this file to trigger this vulnerability.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
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CVE-2023-39355 (GCVE-0-2023-39355)
Vulnerability from cvelistv5 – Published: 2023-08-31 19:45 – Updated: 2025-02-13 17:02
VLAI
EPSS
VEX
Title
FreeRDP Use-After-Free in RDPGFX_CMDID_RESETGRAPHICS
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Versions of FreeRDP on the 3.x release branch before beta3 are subject to a Use-After-Free in processing `RDPGFX_CMDID_RESETGRAPHICS` packets. If `context->maxPlaneSize` is 0, `context->planesBuffer` will be freed. However, without updating `context->planesBuffer`, this leads to a Use-After-Free exploit vector. In most environments this should only result in a crash. This issue has been addressed in version 3.0.0-beta3 and users of the beta 3.x releases are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/d6f9d33… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2023… | |
| https://security.gentoo.org/glsa/202401-16 |
Impacted products
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CVE-2023-39198 (GCVE-0-2023-39198)
Vulnerability from cvelistv5 – Published: 2023-11-09 19:15 – Updated: 2026-03-24 11:28
VLAI
EPSS
VEX
Title
Kernel: qxl: race condition leading to use-after-free in qxl_mode_dumb_create()
Summary
A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2394 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:2950 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:3138 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-39198 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2218332 | issue-trackingx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2024… | x_transferred |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-553.rt7.342.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::nfv cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-553.el8_10 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-427.13.1.el9_4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::realtime cpe:/a:redhat:enterprise_linux:9::nfv cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2023-08-17 00:00
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CVE-2023-38703 (GCVE-0-2023-38703)
Vulnerability from cvelistv5 – Published: 2023-10-06 13:46 – Updated: 2025-02-13 17:02
VLAI
EPSS
VEX
Title
PJSIP has use-after-free vulnerability in SRTP media transport
Summary
PJSIP is a free and open source multimedia communication library written in C with high level API in C, C++, Java, C#, and Python languages. SRTP is a higher level media transport which is stacked upon a lower level media transport such as UDP and ICE. Currently a higher level transport is not synchronized with its lower level transport that may introduce use-after-free issue. This vulnerability affects applications that have SRTP capability (`PJMEDIA_HAS_SRTP` is set) and use underlying media transport other than UDP. This vulnerability’s impact may range from unexpected application termination to control flow hijack/memory corruption. The patch is available as a commit in the master branch.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/6dc9b8c… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2023… |
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CVE-2023-38669 (GCVE-0-2023-38669)
Vulnerability from cvelistv5 – Published: 2023-07-26 09:29 – Updated: 2024-10-22 20:31
VLAI
EPSS
VEX
Summary
Use after free in paddle.diagonal in PaddlePaddle before 2.5.0. This resulted in a potentially exploitable condition.
Severity
8.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaddlePaddle | PaddlePaddle |
Affected:
0 , < 2.5.0
(git)
|
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CVE-2023-38573 (GCVE-0-2023-38573)
Vulnerability from cvelistv5 – Published: 2023-11-27 15:25 – Updated: 2025-11-04 19:17
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15356 handles a signature field. A specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
12.1.3.15356
|
|
| foxit | reader |
Affected:
12.1.3.15356
cpe:2.3:a:foxit:reader:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-38243 (GCVE-0-2023-38243)
Vulnerability from cvelistv5 – Published: 2023-08-10 13:17 – Updated: 2025-02-27 21:05
VLAI
EPSS
VEX
Title
ZDI-CAN-21252: Adobe Acrobat Reader DC JBIG2 File Parsing Use-After-Free Information Disclosure Vulnerability
Summary
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Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 23.003.20244
(semver)
|
Date Public
2023-08-08 17:00
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CVE-2023-38238 (GCVE-0-2023-38238)
Vulnerability from cvelistv5 – Published: 2023-08-10 13:17 – Updated: 2026-05-28 19:11
VLAI
EPSS
VEX
Title
ZDI-CAN-21243: Adobe Acrobat Reader DC Font Parsing Use-After-Free Information Disclosure Vulnerability
Summary
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Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 23.003.20244
(semver)
|
Date Public
2023-08-08 17:00
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CVE-2023-38230 (GCVE-0-2023-38230)
Vulnerability from cvelistv5 – Published: 2023-08-10 13:17 – Updated: 2025-02-27 21:04
VLAI
EPSS
VEX
Title
ZDI-CAN-21318: Adobe Acrobat Reader DC Font Parsing Use-After-Free Information Disclosure Vulnerability
Summary
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by a Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 23.003.20244
(semver)
|
Date Public
2023-08-08 17:00
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CVE-2023-38228 (GCVE-0-2023-38228)
Vulnerability from cvelistv5 – Published: 2023-08-10 13:17 – Updated: 2026-05-28 19:09
VLAI
EPSS
VEX
Title
ZDI-CAN-21317: Adobe Acrobat Reader DC Font Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 23.003.20244
(semver)
|
Date Public
2023-08-08 17:00
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.